Signed-off-by: Marcin Slusarz <[EMAIL PROTECTED]>
---
fs/udf/balloc.c | 49 ++++++++++++++++++++-----------------------------
1 files changed, 20 insertions(+), 29 deletions(-)
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 17b67dc..d1d4b8f 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -140,6 +140,20 @@ static inline int load_block_bitmap(struct super_block *sb,
return slot;
}
+static inline bool udf_inc_free_space(struct udf_sb_info *sbi,
+ u16 partition, u32 cnt)
+{
+ if (sbi->s_lvid_bh) {
+ struct logicalVolIntegrityDesc *lvid =
+ (struct logicalVolIntegrityDesc *)
+ sbi->s_lvid_bh->b_data;
+ lvid->freeSpaceTable[partition] =
+ cpu_to_le32(le32_to_cpu(
+ lvid->freeSpaceTable[partition]) + cnt);
+ }
+ return sbi->s_lvid_bh != NULL;
+}
+
static void udf_bitmap_free_blocks(struct super_block *sb,
struct inode *inode,
struct udf_bitmap *bitmap,
@@ -194,11 +208,7 @@ do_more:
} else {
if (inode)
DQUOT_FREE_BLOCK(inode, 1);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[sbi->s_partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + 1);
- }
+ udf_inc_free_space(sbi, sbi->s_partition, 1);
}
}
mark_buffer_dirty(bh);
@@ -270,12 +280,8 @@ repeat:
if (block_count > 0)
goto repeat;
out:
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+ if (udf_inc_free_space(sbi, partition, -alloc_count))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
return alloc_count;
@@ -406,12 +412,8 @@ got_block:
mark_buffer_dirty(bh);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+ if (udf_inc_free_space(sbi, partition, -1))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
*err = 0;
@@ -452,12 +454,8 @@ static void udf_table_free_blocks(struct super_block *sb,
could occure, but.. oh well */
if (inode)
DQUOT_FREE_BLOCK(inode, count);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[sbi->s_partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + count);
+ if (udf_inc_free_space(sbi, sbi->s_partition, count))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
start = bloc.logicalBlockNum + offset;
end = bloc.logicalBlockNum + offset + count - 1;
@@ -721,10 +719,7 @@ static int udf_table_prealloc_blocks(struct super_block
*sb,
brelse(epos.bh);
- if (alloc_count && sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+ if (alloc_count && udf_inc_free_space(sbi, partition, -alloc_count)) {
mark_buffer_dirty(sbi->s_lvid_bh);
sb->s_dirt = 1;
}
@@ -824,12 +819,8 @@ static int udf_table_new_block(struct super_block *sb,
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
brelse(goal_epos.bh);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+ if (udf_inc_free_space(sbi, partition, -1))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
--
1.5.3.7
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